[특허]Polymer compositions and methods of making and using same

[미국특허] Polymer compositions and methods of making and using same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08F-210/16 C08F-010/14 F16L-009/12 C08F-004/659 C08F-004/6592
출원번호	US-0684844 (2015-04-13)
등록번호	US-9394385 (2016-07-19)
발명자 / 주소	Hlavinka, Mark L. Yang, Qing Beaulieu, William B. Deslauriers, Paul J.
출원인 / 주소	Chevron Phillips Chemical Company LP
대리인 / 주소	Conley Rose, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 236

초록 ▼

A polymer reactor-blend comprising at least a first component having a polydispersity index of greater than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and is present in an amount of from about 1 wt. % to about 99 wt. % based on the total weight of the polymer wherein a molecular weight distribution of the second component lies within a molecular weight distribution of the first component.

대표청구항 ▼

1. A method of preparing a polymer pipe comprising: obtaining a polymer prepared by contacting ethylene and a comonomer with a catalyst composition comprising at least one imine (bis) phenolate compound and at least one metallocene compound under conditions suitable for the formation of the polymer, wherein the polymer comprises at least a first component having a polydispersity index of greater than about 20 and present in an amount of from about 1 wt % to about 99 wt % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and present in an amount of from about 1 wt % to about 99 wt % based on the total weight of the polymer, wherein a molecular weight distribution of the second component is encompassed by a molecular weight distribution of the first component and wherein the polymer has greater than about 75% of branching contained within the second component, andwherein the polymer has zero shear viscosity of from about 1E+03 Pa-s to about 1E+10 Pa-s and a tensile natural draw ratio of less than about 600%; and fabricating the polymer into a pipe, wherein the pipe has a PENT value of greater than about 800 hours as determined in accordance with ASTM F1473 using a 3.8 MPa stress. 2. The method of claim 1 wherein the polymer has a polydispersity index of greater than about 15 and a short-chain branching distribution maximum that occurs between a weight average molecular weight of about 30 kDa and 1000 kDa. 3. The method of claim 2 wherein the polymer has a level of short-chain branching ranging from about 0.1 to about 20 short chain branches per 1000 total carbon atoms and a short chain branching distribution that is described by a Pearson VII Amp curve fit wherein the value of the short chain branching distribution slope from the short chain branching distribution maximum at a log of the weight average molecular weight less than about the maximum log weight average molecular weight is less than about −0.005. 4. The method of claim 1 wherein the polymer has a level of short-chain branching ranging from about 0.1 to about 20 short chain branches per 1000 total carbon atoms and a short chain branching distribution that is described by a Pearson VII Amp curve fit wherein the value of the short chain branching distribution slope from the short chain branching distribution maximum at a log of the weight average molecular weight less than about the maximum log weight average molecular weight is less than about −0.005. 5. The method of claim 1 wherein the comonomer comprises 1-butene, 1-hexene, 1-octene, or combinations thereof. 6. The method of claim 5 wherein the polymer has a CY-a value of from about 0.05 to about 0.8. 7. The method of claim 6 wherein the polymer has a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol. 8. The method of claim 1 wherein the polymer has a CY-a value of from about 0.05 to about 0.8. 9. The method of claim 1 wherein the polymer has a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol. 10. A method of preparing a polymer pipe comprising: obtaining a polymer prepared by contacting ethylene and a comonomer with a catalyst composition comprising at least one imine (bis) phenolate compound and at least one metallocene compound under conditions suitable for the formation of the polymer, wherein the polymer comprises at least a first component having a polydispersity index of greater than about 20 and present in an amount of from about 1 wt % to about 99 wt % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and present in an amount of from about 1 wt % to about 99 wt % based on the total weight of the polymer, wherein a molecular weight distribution of the second component is encompassed by a molecular weight distribution of the first component and wherein the polymer has greater than about 75% of branching contained within the second component, andwherein the polymer has a polydispersity index of greater than about 15 and a short-chain branching distribution maximum that occurs between a weight average molecular weight of about 30 kDa and 1000 kDa; and fabricating the polymer into a pipe, wherein the pipe has a PENT value of greater than about 800 hours as determined in accordance with ASTM F1473 using a 3.8 MPa stress. 11. The method of claim 10 wherein the comonomer comprises 1-butene, 1-hexene, 1-octene, or combinations thereof. 12. The method of claim 11 wherein the polymer has a CY-a value of from about 0.05 to about 0.8. 13. The method of claim 12 wherein the polymer has a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol . 14. The method of claim 10 wherein the polymer has a CY-a value of from about 0.05 to about 0.8. 15. The method of claim 10 wherein the polymer has a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol. 16. A method of preparing a polymer pipe comprising: obtaining a polymer prepared by contacting ethylene and a comonomer with a catalyst composition comprising at least one imine (bis) phenolate compound and at least one metallocene compound under conditions suitable for the formation of the polymer, wherein the polymer comprises at least a first component having a polydispersity index of greater than about 20 and present in an amount of from about 1 wt % to about 99 wt % based on the total weight of the polymer and a second component having a polydispersity index of less than about 20 and present in an amount of from about 1 wt % to about 99 wt % based on the total weight of the polymer, wherein a molecular weight distribution of the second component is encompassed by a molecular weight distribution of the first component and wherein the polymer has greater than about 75% of branching contained within the second component, andwherein the polymer has a level of short-chain branching ranging from about 0.1 to about 20 short chain branches per 1000 total carbon atoms and a short chain branching distribution that is described by a Pearson VII Amp curve fit wherein the value of the short chain branching distribution slope from the short chain branching distribution maximum at a log of the weight average molecular weight less than about the maximum log weight average molecular weight is less than about −0.005; and fabricating the polymer into a pipe, wherein the pipe has a PENT value of greater than about 800 hours as determined in accordance with ASTM F1473 using a 3.8 MPa stress. 17. The method of claim 16 wherein the comonomer comprises 1-butene, 1-hexene, 1-octene, or combinations thereof. 18. The method of claim 17 wherein the polymer has a CY-a value of from about 0.05 to about 0.8. 19. The method of claim 18 wherein the polymer has a weight average molecular weight of from about 50 kg/mol to about 10 kg/mol. 20. The method of claim 16 wherein the polymer has a CY-a value of from about 0.05 to about 0.8. 21. The method of claim 16 wherein the polymer has a weight average molecular weight of from about 50 kg/mol to about 1000 kg/mol.

이 특허에 인용된 특허 (236) 인용/피인용 타임라인 분석

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McLeod, Michael; Araya, Marco; Curtis, Sam; Ashbaugh, John; Cortes, Leonardo, Methods for improving multimodal polyethylene and films produced therefrom.
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Erik Licht DE; Helmut G. Alt DE; M. Bruce Welch, Multicyclic metallocycle metallocenes and their use.
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Martin, Joel L.; Jayarante, Kumudini; Thorn, Matthew G.; Lanier, J. Todd; McDaniel, Max P.; Yang, Qing; Jensen, Michael D.; DesLauriers, Paul J.; Krishnaswamy, Rajendra K., Multimodal polyethylene compositions and pipe made from same.
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Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L.; Glass, Gary L., Nano-linked heteronuclear metallocene catalyst compositions and their polymer products.
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Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
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Murray, Rex E.; Jayaratne, Kumudini C.; Yang, Qing; Martin, Joel L., Nano-linked metallocene catalyst compositions and their polymer products.
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Razavi Abbas (Patourage BEX), Non-bridged syndiospecific metallocene catalysts and polymerization process.
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Fujie Hirokazu,JPX ; Imura Kozo,JPX ; Matsumoto Hideyuki,JPX ; Noh Takayuki,JPX ; Nakanishi Kazuhisa,JPX, Olefin oligomerization catalyst, process for preparing the same, and olefin oligomerization process using the same.
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Hawley Gil R. ; Ramsey Timothy M. ; Halterman Ronald L. ; Fahey Darryl R., Olefin polymerization.
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Schertl Peter (Neuhaus a. d. Pegnitz DEX) Alt Helmut G. (Bayreuth DEX) Welch M. Bruce (Bartlesville OK), Olefin polymerization.
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Karayannis Nicholas M. (Naperville IL) Cohen Steven A. (Naperville IL) Ledermann Julie L. (Geneva IL), Olefin polymerization and copolymerization catalyst.
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Murray Rex E. ; Mawson Simon ; Williams Clark C. ; Schreck D. James, Olefin polymerization catalyst.
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Rex E. Murray ; Simon Mawson ; Clark C. Williams ; D. James Schreck, Olefin polymerization catalyst.
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Dombro Robert A. (Palatine IL), Olefin polymerization catalyst and catalyst support.
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Nakayama, Yasushi; Kaneko, Hideyuki; Bandoh, Hideki; Sonobe, Yoshiho; Saito, Junji; Kojoh, Shinichi; Mitani, Makoto; Suzuki, Yasuhiko; Matsui, Shigekazu; Kashiwa, Norio; Fujita, Terunori, Olefin polymerization catalyst and process for producing olefin polymer with the catalyst.
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Whiteker Gregory T. ; Smith Jack A., Olefin polymerization catalysts, their production and use.
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Nordquest Kim W. (Rocky Mount NC), Olefin polymerization over pi-olefin complex of chromium supported on aluminophosphate.
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Noshay ; Allen ; Karol ; Frederick John, Olefin polymerization process and catalyst therefor.
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McDaniel Max P. ; Benham Elizabeth A., Olefin polymerization processes and products thereof.
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McDaniel Max P. (Bartlesville OK) Pitzer Emory W. (Bartlesville OK) Boggs Elizabeth A. (Bartlesville OK) Norwood Donald D. (Bartlesville OK) Bailey Fay W. (Bartlesville OK), Olefin polymerization using chromium on fluorided aluminophosphate.
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Palackal Syriac J. (Bartlesville OK) Alt Helmut G. (Bayreuth DEX) Patsidis Konstantinos (Bayreuth OH DEX) Hill Tara G. (Fairfield OH) Hawley Gil R. (Dewey OK) Chu Peter P. (Bartlesville OK) Welch M. , Olefin polymerization using silyl-bridged metallocenes.
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McDaniel Max P. (Bartlesville OK) Smith Paul D. (Seabrook TX) Norwood Donald D. (Bartlesville OK), Olefin polymers prepared by polymerization with treated alumina supported chromium.
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Small, Brooke L.; Hope, Kenneth D.; Yang, Qing; Masino, Albert P.; McDaniel, Max P.; Buck, Richard M.; Beaulieu, William B.; Baralt, Eduardo J.; Netemeyer, Eric J.; Kreischer, Bruce, Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends.
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Sone Makoto (Mie JPX) Yano Akihiro (Yokkaichi JPX), Organic transition metal compound having p 상세보기

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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